Home / 196,983,452.45-271,842,945.41-107,680,331.84

Finding the Fourth Proportional to 196,983,452.45, 271,842,945.41 and 107,680,331.84

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Solution

The fourth proportional to 196,983,452.45, 271,842,945.41 and 107,680,331.84 is: 148,602,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,983,452.45 : 271,842,945.41 = 107,680,331.84 : x
  2. Step 2: Convert to fraction form
    196,983,452.45/271,842,945.41 = 107,680,331.84/x
  3. Step 3: Cross multiply
    196,983,452.45x = 271,842,945.41 × 107,680,331.84
  4. Step 4: Simplify right side
    196,983,452.45x = 29,272,138,569,021,792
  5. Step 5: Solve for x
    x = 29,272,138,569,021,792/196,983,452.45
  6. Step 6: Final answer
    x = 148,602,018.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.